/*****************************************************************************
 *   Copyright 2005 Tim A Wang
 *
 *   Licensed under the Apache License, Version 2.0 (the "License");
 *   you may not use this file except in compliance with the License.
 *   You may obtain a copy of the License at
 *
 *       http://www.apache.org/licenses/LICENSE-2.0
 *
 *   Unless required by applicable law or agreed to in writing, software
 *   distributed under the License is distributed on an "AS IS" BASIS,
 *   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *   See the License for the specific language governing permissions and
 *   limitations under the License.
 *
 ****************************************************************************/
package com.jb.web.renderer;

import com.jb.web.bean.FormField;
import com.jb.web.context.WebContext;

import com.jb.faces.component.UIComponent;


public class ColorFieldRenderer extends FormItemRenderer {
    public StringBuffer render(WebContext pCtx, UIComponent itemToRender) {
        FormField formField = (FormField) itemToRender;
        StringBuffer html = new StringBuffer("");
        String fieldName = formField.getFieldName(pCtx);

        String value = (String) evaluate(pCtx, formField, formField.getValue());

        if (isVisible(pCtx, formField)) {
            html.append(textField(pCtx, formField, value));

            String PickerId = fieldName + "PI";
            String id = PickerId + "Pos";
            html.append("&nbsp;<img ")
                .append(addTagProperty(" onmouseup", "toggleColorPicker('" + PickerId + "','" + fieldName + "')", null))
                .append(addTagProperty(" id", id, null)).append(addTagProperty(" name", id, null))
                .append(addTagProperty(" src", "resources/images/palette/cal.gif", null))
                .append(addTagProperty(" align", "absmiddle", null)).append(addTagProperty(" border", "0", null))
                .append(" />");
            html.append("<div ").append(addTagProperty(" style", "position:absolute;", null))
                .append(addTagProperty(" align", "left", null)).append(addTagProperty(" id", PickerId, null)).append(" />");
        } else {
            html.append("<INPUT type =\"hidden\" name=\"" + fieldName + "\"")
                .append(addTagProperty(" value", value, null)).append(" />");
        }

        return html;
    }

    private String textField(WebContext pCtx, FormField formField, String value) {
        StringBuffer html = new StringBuffer("");
        html.append("<INPUT ").append(addTagProperty(" name", formField.getFieldName(pCtx), null)).append(addTagProperty(
                " type", "text", "text"));

        if (pCtx.isRunTime()) {
            html.append(addTagProperty(" disabled", formField.isEnabled() ? "" : "disabled", null));
        }

        html.append(addTagProperty(" size", formField.getWidth(), null)).append(addTagProperty(" value", value, null))
            .append(addTagProperty(" style", formField.getStyle(pCtx), null)).append(getEditScript(pCtx, formField))
            .append(">");

        return html.toString();
    }
}
